From patchwork Mon Jan 30 10:12:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matthew Auld X-Patchwork-Id: 13120875 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 589BFC54EED for ; Mon, 30 Jan 2023 10:18:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7143910E20D; Mon, 30 Jan 2023 10:17:58 +0000 (UTC) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTPS id A8AE510E222; Mon, 30 Jan 2023 10:17:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1675073875; x=1706609875; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=avSgsLstztOlD71v/wKLqEN3rbs4A7R8zN+WVMubBhw=; b=GIwnNt2Y6YiD59X0M2wNO47zD39cgX4eTfpgf2zPleOY4JhzWZIQUrtf r6osTrnzkgoKbFvKFXgYrmyscOnvbtcq/eJzF2LJ9gc0PFVrIcdvF9znK asFER6r7RmIwtJjioVr21/us4KT99qRNtoXamtivzfEhiHGZuzPCmZ1wj 0Yt4ABeM2UyeixZAmfSSQzAivgWfUQ1iDjdf0H0/w4KKISuuMKx/hBsov 3rWRj0pfxAIsLgk4271CCf64N/8Thqu1lGqrZBrmAub5yaNwRQRi0KIed hkHXyck2sEldUwTBNGNMdAsZKPwf8+04a6NUxD3kMWe1Nh1v6dq2Lw5y2 Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10605"; a="328798969" X-IronPort-AV: E=Sophos;i="5.97,257,1669104000"; d="scan'208";a="328798969" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2023 02:17:13 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10605"; a="696348881" X-IronPort-AV: E=Sophos;i="5.97,257,1669104000"; d="scan'208";a="696348881" Received: from dscheepe-mobl2.ger.corp.intel.com (HELO mwauld-desk1.intel.com) ([10.252.1.159]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jan 2023 02:14:20 -0800 From: Matthew Auld To: intel-gfx@lists.freedesktop.org Date: Mon, 30 Jan 2023 10:12:29 +0000 Message-Id: <20230130101230.25347-5-matthew.auld@intel.com> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230130101230.25347-1-matthew.auld@intel.com> References: <20230130101230.25347-1-matthew.auld@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 5/6] drm/ttm: stop allocating a dummy resource for pipelined gutting X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Christian_K=C3=B6nig?= , dri-devel@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" From: Christian König That should not be necessary any more when drivers should at least be able to handle a move without a resource. Signed-off-by: Christian König Reviewed-by: Matthew Auld Signed-off-by: Matthew Auld --- drivers/gpu/drm/ttm/ttm_bo_util.c | 15 ++------------- 1 file changed, 2 insertions(+), 13 deletions(-) diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c index 7635d7d6b13b..d9d2b0903b22 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_util.c +++ b/drivers/gpu/drm/ttm/ttm_bo_util.c @@ -704,30 +704,23 @@ EXPORT_SYMBOL(ttm_bo_move_sync_cleanup); */ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo) { - static const struct ttm_place sys_mem = { .mem_type = TTM_PL_SYSTEM }; struct ttm_buffer_object *ghost; - struct ttm_resource *sys_res; struct ttm_tt *ttm; int ret; - ret = ttm_resource_alloc(bo, &sys_mem, &sys_res); - if (ret) - return ret; - /* If already idle, no need for ghost object dance. */ if (dma_resv_test_signaled(bo->base.resv, DMA_RESV_USAGE_BOOKKEEP)) { if (!bo->ttm) { /* See comment below about clearing. */ ret = ttm_tt_create(bo, true); if (ret) - goto error_free_sys_mem; + return ret; } else { ttm_tt_unpopulate(bo->bdev, bo->ttm); if (bo->type == ttm_bo_type_device) ttm_tt_mark_for_clear(bo->ttm); } ttm_resource_free(bo, &bo->resource); - ttm_bo_assign_mem(bo, sys_res); return 0; } @@ -744,7 +737,7 @@ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo) ret = ttm_tt_create(bo, true); swap(bo->ttm, ttm); if (ret) - goto error_free_sys_mem; + return ret; ret = ttm_buffer_object_transfer(bo, &ghost); if (ret) @@ -760,13 +753,9 @@ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo) dma_resv_unlock(&ghost->base._resv); ttm_bo_put(ghost); bo->ttm = ttm; - ttm_bo_assign_mem(bo, sys_res); return 0; error_destroy_tt: ttm_tt_destroy(bo->bdev, ttm); - -error_free_sys_mem: - ttm_resource_free(bo, &sys_res); return ret; }